于 2018年5月2日 GMT+08:00 下午7:32:50, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> 写到: >On Mon, Apr 30, 2018 at 05:10:39PM +0530, Jagan Teki wrote: >> DE2 in A64 has clock control unit and behavior is >> same like H3/H5, so reuse the same in A64. >> >> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> >> --- >> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 15 +++++++++++++++ >> 1 file changed, 15 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi >b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi >> index 1b2ef28c42bd..67b80bbe5bf5 100644 >> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi >> @@ -43,9 +43,11 @@ >> */ >> >> #include <dt-bindings/clock/sun50i-a64-ccu.h> >> +#include <dt-bindings/clock/sun8i-de2.h> >> #include <dt-bindings/clock/sun8i-r-ccu.h> >> #include <dt-bindings/interrupt-controller/arm-gic.h> >> #include <dt-bindings/reset/sun50i-a64-ccu.h> >> +#include <dt-bindings/reset/sun8i-de2.h> >> >> / { >> interrupt-parent = <&gic>; >> @@ -168,6 +170,19 @@ >> #size-cells = <1>; >> ranges; >> >> + display_clocks: clock@1000000 { >> + compatible = "allwinner,sun50i-a64-de2-clk", >> + "allwinner,sun50i-h5-de2-clk"; > >The A64 was released before the H5, so that should be the other way >around. > >> + reg = <0x01000000 0x100000>; >> + clocks = <&ccu CLK_DE>, >> + <&ccu CLK_BUS_DE>; >> + clock-names = "mod", >> + "bus"; >> + resets = <&ccu RST_BUS_DE>; >> + #clock-cells = <1>; >> + #reset-cells = <1>; >> + }; >> + > >So it turns out we don't need the SRAM to access the CCU driver? As now U-Boot claims SRAM, people may forget thus :-( > >Maxime _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel